lumma | b8de92d5a5c7025ca71678bdd7ae4b8efd361ff07cd6ed2672bd96d8c4d04012

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 03:18

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General

Target

b8de92d5a5c7025ca71678bdd7ae4b8efd361ff07cd6ed2672bd96d8c4d04012.exe
Size

1.7MB
MD5

4f6afde2bd74791f9ea1e3d296f30ddf
SHA1

90c461c881e033ad04dc851c88ed3b431205eea0
SHA256

b8de92d5a5c7025ca71678bdd7ae4b8efd361ff07cd6ed2672bd96d8c4d04012
SHA512

77706f89c121143364dd64f072263866dcbf10da5a2adfadc8c22d1b660031095cedc562cf5d08f35047ca8896958d897f49666e0aaf34caba65a7c15326891d
SSDEEP

49152:U7UDg3tafPzDwhEoxfmymH6xPXpF0edh4vw5bmrb6:mUJDYETp6xvdh4I5b

Score

10^/10

lumma stealc stok discovery evasion spyware stealer trojan

Malware Config

Extracted

Family

lumma

Extracted

Family

stealc

Botnet

stok

http://185.215.113.206

Attributes

url_path
/c4becf79229cb002.php

Signatures

Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma
Lumma family
lumma

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	6V2ZU6ATZSZUQ5LY1K9RCY7JW9RTO5W.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	6V2ZU6ATZSZUQ5LY1K9RCY7JW9RTO5W.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	6V2ZU6ATZSZUQ5LY1K9RCY7JW9RTO5W.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	6V2ZU6ATZSZUQ5LY1K9RCY7JW9RTO5W.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	6V2ZU6ATZSZUQ5LY1K9RCY7JW9RTO5W.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	6V2ZU6ATZSZUQ5LY1K9RCY7JW9RTO5W.exe

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Stealc family
stealc

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	6V2ZU6ATZSZUQ5LY1K9RCY7JW9RTO5W.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	9VPJ5E6TKMV87GPI02X908SN70OIKS.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	b8de92d5a5c7025ca71678bdd7ae4b8efd361ff07cd6ed2672bd96d8c4d04012.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 6 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	b8de92d5a5c7025ca71678bdd7ae4b8efd361ff07cd6ed2672bd96d8c4d04012.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b8de92d5a5c7025ca71678bdd7ae4b8efd361ff07cd6ed2672bd96d8c4d04012.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	6V2ZU6ATZSZUQ5LY1K9RCY7JW9RTO5W.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	6V2ZU6ATZSZUQ5LY1K9RCY7JW9RTO5W.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	9VPJ5E6TKMV87GPI02X908SN70OIKS.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	9VPJ5E6TKMV87GPI02X908SN70OIKS.exe

Executes dropped EXE 2 IoCs

pid	Process
3532	6V2ZU6ATZSZUQ5LY1K9RCY7JW9RTO5W.exe
2088	9VPJ5E6TKMV87GPI02X908SN70OIKS.exe

Identifies Wine through registry keys 2 TTPs 3 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine	b8de92d5a5c7025ca71678bdd7ae4b8efd361ff07cd6ed2672bd96d8c4d04012.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine	6V2ZU6ATZSZUQ5LY1K9RCY7JW9RTO5W.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine	9VPJ5E6TKMV87GPI02X908SN70OIKS.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	6V2ZU6ATZSZUQ5LY1K9RCY7JW9RTO5W.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	6V2ZU6ATZSZUQ5LY1K9RCY7JW9RTO5W.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
1448	b8de92d5a5c7025ca71678bdd7ae4b8efd361ff07cd6ed2672bd96d8c4d04012.exe
3532	6V2ZU6ATZSZUQ5LY1K9RCY7JW9RTO5W.exe
2088	9VPJ5E6TKMV87GPI02X908SN70OIKS.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b8de92d5a5c7025ca71678bdd7ae4b8efd361ff07cd6ed2672bd96d8c4d04012.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6V2ZU6ATZSZUQ5LY1K9RCY7JW9RTO5W.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9VPJ5E6TKMV87GPI02X908SN70OIKS.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
1448	b8de92d5a5c7025ca71678bdd7ae4b8efd361ff07cd6ed2672bd96d8c4d04012.exe
1448	b8de92d5a5c7025ca71678bdd7ae4b8efd361ff07cd6ed2672bd96d8c4d04012.exe
1448	b8de92d5a5c7025ca71678bdd7ae4b8efd361ff07cd6ed2672bd96d8c4d04012.exe
1448	b8de92d5a5c7025ca71678bdd7ae4b8efd361ff07cd6ed2672bd96d8c4d04012.exe
1448	b8de92d5a5c7025ca71678bdd7ae4b8efd361ff07cd6ed2672bd96d8c4d04012.exe
1448	b8de92d5a5c7025ca71678bdd7ae4b8efd361ff07cd6ed2672bd96d8c4d04012.exe
3532	6V2ZU6ATZSZUQ5LY1K9RCY7JW9RTO5W.exe
3532	6V2ZU6ATZSZUQ5LY1K9RCY7JW9RTO5W.exe
2088	9VPJ5E6TKMV87GPI02X908SN70OIKS.exe
2088	9VPJ5E6TKMV87GPI02X908SN70OIKS.exe
3532	6V2ZU6ATZSZUQ5LY1K9RCY7JW9RTO5W.exe
3532	6V2ZU6ATZSZUQ5LY1K9RCY7JW9RTO5W.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3532	6V2ZU6ATZSZUQ5LY1K9RCY7JW9RTO5W.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 3532	1448	b8de92d5a5c7025ca71678bdd7ae4b8efd361ff07cd6ed2672bd96d8c4d04012.exe	83
PID 1448 wrote to memory of 3532	1448	b8de92d5a5c7025ca71678bdd7ae4b8efd361ff07cd6ed2672bd96d8c4d04012.exe	83
PID 1448 wrote to memory of 3532	1448	b8de92d5a5c7025ca71678bdd7ae4b8efd361ff07cd6ed2672bd96d8c4d04012.exe	83
PID 1448 wrote to memory of 2088	1448	b8de92d5a5c7025ca71678bdd7ae4b8efd361ff07cd6ed2672bd96d8c4d04012.exe	84
PID 1448 wrote to memory of 2088	1448	b8de92d5a5c7025ca71678bdd7ae4b8efd361ff07cd6ed2672bd96d8c4d04012.exe	84
PID 1448 wrote to memory of 2088	1448	b8de92d5a5c7025ca71678bdd7ae4b8efd361ff07cd6ed2672bd96d8c4d04012.exe	84

C:\Users\Admin\AppData\Local\Temp\b8de92d5a5c7025ca71678bdd7ae4b8efd361ff07cd6ed2672bd96d8c4d04012.exe
"C:\Users\Admin\AppData\Local\Temp\b8de92d5a5c7025ca71678bdd7ae4b8efd361ff07cd6ed2672bd96d8c4d04012.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Users\Admin\AppData\Local\Temp\6V2ZU6ATZSZUQ5LY1K9RCY7JW9RTO5W.exe
  "C:\Users\Admin\AppData\Local\Temp\6V2ZU6ATZSZUQ5LY1K9RCY7JW9RTO5W.exe"
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Windows security modification
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3532
- C:\Users\Admin\AppData\Local\Temp\9VPJ5E6TKMV87GPI02X908SN70OIKS.exe
  "C:\Users\Admin\AppData\Local\Temp\9VPJ5E6TKMV87GPI02X908SN70OIKS.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2088

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\6V2ZU6ATZSZUQ5LY1K9RCY7JW9RTO5W.exe

Filesize
1.7MB

MD5
ed887c16dcf5b18364817eebd5c0c31a

SHA1
ce405448c289293ee472a33caf07d4d9343df535

SHA256
7aa24756b5a734f18480aa583bc8417e5b21223a939c43556b940aa5ac324872

SHA512
b38b34e2b5c6a417f29467c4663f241574b9fc4f708a674bf9ddc8d2e2c338a6686aab7819ceb6771bb2305c1493f65d77b365afb11f1d9bfe2b93a6a26eac42

Download Submit
C:\Users\Admin\AppData\Local\Temp\9VPJ5E6TKMV87GPI02X908SN70OIKS.exe

Filesize
2.8MB

MD5
718077ed9c880bc7831c0d15409039dd

SHA1
33c36ef409547b39e3d70bacf860b4892eb85215

SHA256
ae5814bef5966f54f83be88006b05a76d4531ff430997ab4a879b4b15b78b843

SHA512
82a02f33a77b977a4450e21bba12fbd729629a4d3e213e4bee1544aa87724684cf1607a3e47815a42e4901fc4787ba9677f5e46fa42b5f057214a19ec5602fed

Download Submit
memory/1448-1-0x0000000077904000-0x0000000077906000-memory.dmp

Filesize
8KB

Download
memory/1448-2-0x0000000000671000-0x0000000000696000-memory.dmp

Filesize
148KB

Download
memory/1448-3-0x0000000000670000-0x0000000000AF4000-memory.dmp

Filesize
4.5MB

Download
memory/1448-4-0x0000000000670000-0x0000000000AF4000-memory.dmp

Filesize
4.5MB

Download
memory/1448-5-0x0000000000670000-0x0000000000AF4000-memory.dmp

Filesize
4.5MB

Download
memory/1448-0-0x0000000000670000-0x0000000000AF4000-memory.dmp

Filesize
4.5MB

Download
memory/1448-19-0x0000000000670000-0x0000000000AF4000-memory.dmp

Filesize
4.5MB

Download
memory/2088-17-0x0000000000B20000-0x0000000001027000-memory.dmp

Filesize
5.0MB

Download
memory/2088-20-0x0000000000B20000-0x0000000001027000-memory.dmp

Filesize
5.0MB

Download
memory/3532-12-0x00000000006E0000-0x0000000000B38000-memory.dmp

Filesize
4.3MB

Download
memory/3532-11-0x00000000006E0000-0x0000000000B38000-memory.dmp

Filesize
4.3MB

Download
memory/3532-10-0x00000000006E0000-0x0000000000B38000-memory.dmp

Filesize
4.3MB

Download
memory/3532-22-0x00000000006E0000-0x0000000000B38000-memory.dmp

Filesize
4.3MB

Download
memory/3532-25-0x00000000006E0000-0x0000000000B38000-memory.dmp

Filesize
4.3MB

Download